-59.77% is the change from 256 to 103
Calculation steps:
[( 103 - 256 ) ÷ 256] x 100 = -59.77%
Formula
Percentage change = [(103 - 256) / 256] x 100
Subtract the new number by the original number
103 - 256 = -153
-153 ÷ 256 = -0.59765625
-0.59765625 x 100 = -59.77%